@@ -13,10 +13,12 @@ * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #import "OFString.h" + +#import "macros.h" const of_char16_t of_codepage_437[128] = { 0x00C7, 0x00FC, 0x00E9, 0x00E2, 0x00E4, 0x00E0, 0x00E5, 0x00E7, 0x00EA, 0x00EB, 0x00E8, 0x00EF, 0x00EE, 0x00EC, 0x00C4, 0x00C5, 0x00C9, 0x00E6, 0x00C6, 0x00F4, 0x00F6, 0x00F2, 0x00FB, 0x00F9, @@ -32,5 +34,423 @@ 0x03B1, 0x00DF, 0x0393, 0x03C0, 0x03A3, 0x03C3, 0x00B5, 0x03C4, 0x03A6, 0x0398, 0x03A9, 0x03B4, 0x221E, 0x03C6, 0x03B5, 0x2229, 0x2261, 0x00B1, 0x2265, 0x2264, 0x2320, 0x2321, 0x00F7, 0x2248, 0x00B0, 0x2219, 0x00B7, 0x221A, 0x207F, 0x00B2, 0x25A0, 0x00A0 }; + +bool +of_unicode_to_codepage_437(const of_unichar_t *input, char *output, + size_t length, bool lossy) +{ + size_t i; + + for (i = 0; i < length; i++) { + of_unichar_t c = input[i]; + + if OF_UNLIKELY (c > 0x7F) { + if OF_UNLIKELY (c > 0xFFFF) { + if (lossy) { + output[i] = '?'; + continue; + } else + return false; + } + + switch ((of_char16_t)c) { + case 0xC7: + output[i] = 0x80; + break; + case 0xFC: + output[i] = 0x81; + break; + case 0xE9: + output[i] = 0x82; + break; + case 0xE2: + output[i] = 0x83; + break; + case 0xE4: + output[i] = 0x84; + break; + case 0xE0: + output[i] = 0x85; + break; + case 0xE5: + output[i] = 0x86; + break; + case 0xE7: + output[i] = 0x87; + break; + case 0xEA: + output[i] = 0x88; + break; + case 0xEB: + output[i] = 0x89; + break; + case 0xE8: + output[i] = 0x8A; + break; + case 0xEF: + output[i] = 0x8B; + break; + case 0xEE: + output[i] = 0x8C; + break; + case 0xEC: + output[i] = 0x8D; + break; + case 0xC4: + output[i] = 0x8E; + break; + case 0xC5: + output[i] = 0x8F; + break; + case 0xC9: + output[i] = 0x90; + break; + case 0xE6: + output[i] = 0x91; + break; + case 0xC6: + output[i] = 0x92; + break; + case 0xF4: + output[i] = 0x93; + break; + case 0xF6: + output[i] = 0x94; + break; + case 0xF2: + output[i] = 0x95; + break; + case 0xFB: + output[i] = 0x96; + break; + case 0xF9: + output[i] = 0x97; + break; + case 0xFF: + output[i] = 0x98; + break; + case 0xD6: + output[i] = 0x99; + break; + case 0xDC: + output[i] = 0x9A; + break; + case 0xA2: + output[i] = 0x9B; + break; + case 0xA3: + output[i] = 0x9C; + break; + case 0xA5: + output[i] = 0x9D; + break; + case 0x20A7: + output[i] = 0x9E; + break; + case 0x192: + output[i] = 0x9F; + break; + case 0xE1: + output[i] = 0xA0; + break; + case 0xED: + output[i] = 0xA1; + break; + case 0xF3: + output[i] = 0xA2; + break; + case 0xFA: + output[i] = 0xA3; + break; + case 0xF1: + output[i] = 0xA4; + break; + case 0xD1: + output[i] = 0xA5; + break; + case 0xAA: + output[i] = 0xA6; + break; + case 0xBA: + output[i] = 0xA7; + break; + case 0xBF: + output[i] = 0xA8; + break; + case 0x2310: + output[i] = 0xA9; + break; + case 0xAC: + output[i] = 0xAA; + break; + case 0xBD: + output[i] = 0xAB; + break; + case 0xBC: + output[i] = 0xAC; + break; + case 0xA1: + output[i] = 0xAD; + break; + case 0xAB: + output[i] = 0xAE; + break; + case 0xBB: + output[i] = 0xAF; + break; + case 0x2591: + output[i] = 0xB0; + break; + case 0x2592: + output[i] = 0xB1; + break; + case 0x2593: + output[i] = 0xB2; + break; + case 0x2502: + output[i] = 0xB3; + break; + case 0x2524: + output[i] = 0xB4; + break; + case 0x2561: + output[i] = 0xB5; + break; + case 0x2562: + output[i] = 0xB6; + break; + case 0x2556: + output[i] = 0xB7; + break; + case 0x2555: + output[i] = 0xB8; + break; + case 0x2563: + output[i] = 0xB9; + break; + case 0x2551: + output[i] = 0xBA; + break; + case 0x2557: + output[i] = 0xBB; + break; + case 0x255D: + output[i] = 0xBC; + break; + case 0x255C: + output[i] = 0xBD; + break; + case 0x255B: + output[i] = 0xBE; + break; + case 0x2510: + output[i] = 0xBF; + break; + case 0x2514: + output[i] = 0xC0; + break; + case 0x2534: + output[i] = 0xC1; + break; + case 0x252C: + output[i] = 0xC2; + break; + case 0x251C: + output[i] = 0xC3; + break; + case 0x2500: + output[i] = 0xC4; + break; + case 0x253C: + output[i] = 0xC5; + break; + case 0x255E: + output[i] = 0xC6; + break; + case 0x255F: + output[i] = 0xC7; + break; + case 0x255A: + output[i] = 0xC8; + break; + case 0x2554: + output[i] = 0xC9; + break; + case 0x2569: + output[i] = 0xCA; + break; + case 0x2566: + output[i] = 0xCB; + break; + case 0x2560: + output[i] = 0xCC; + break; + case 0x2550: + output[i] = 0xCD; + break; + case 0x256C: + output[i] = 0xCE; + break; + case 0x2567: + output[i] = 0xCF; + break; + case 0x2568: + output[i] = 0xD0; + break; + case 0x2564: + output[i] = 0xD1; + break; + case 0x2565: + output[i] = 0xD2; + break; + case 0x2559: + output[i] = 0xD3; + break; + case 0x2558: + output[i] = 0xD4; + break; + case 0x2552: + output[i] = 0xD5; + break; + case 0x2553: + output[i] = 0xD6; + break; + case 0x256B: + output[i] = 0xD7; + break; + case 0x256A: + output[i] = 0xD8; + break; + case 0x2518: + output[i] = 0xD9; + break; + case 0x250C: + output[i] = 0xDA; + break; + case 0x2588: + output[i] = 0xDB; + break; + case 0x2584: + output[i] = 0xDC; + break; + case 0x258C: + output[i] = 0xDD; + break; + case 0x2590: + output[i] = 0xDE; + break; + case 0x2580: + output[i] = 0xDF; + break; + case 0x3B1: + output[i] = 0xE0; + break; + case 0xDF: + output[i] = 0xE1; + break; + case 0x393: + output[i] = 0xE2; + break; + case 0x3C0: + output[i] = 0xE3; + break; + case 0x3A3: + output[i] = 0xE4; + break; + case 0x3C3: + output[i] = 0xE5; + break; + case 0xB5: + output[i] = 0xE6; + break; + case 0x3C4: + output[i] = 0xE7; + break; + case 0x3A6: + output[i] = 0xE8; + break; + case 0x398: + output[i] = 0xE9; + break; + case 0x3A9: + output[i] = 0xEA; + break; + case 0x3B4: + output[i] = 0xEB; + break; + case 0x221E: + output[i] = 0xEC; + break; + case 0x3C6: + output[i] = 0xED; + break; + case 0x3B5: + output[i] = 0xEE; + break; + case 0x2229: + output[i] = 0xEF; + break; + case 0x2261: + output[i] = 0xF0; + break; + case 0xB1: + output[i] = 0xF1; + break; + case 0x2265: + output[i] = 0xF2; + break; + case 0x2264: + output[i] = 0xF3; + break; + case 0x2320: + output[i] = 0xF4; + break; + case 0x2321: + output[i] = 0xF5; + break; + case 0xF7: + output[i] = 0xF6; + break; + case 0x2248: + output[i] = 0xF7; + break; + case 0xB0: + output[i] = 0xF8; + break; + case 0x2219: + output[i] = 0xF9; + break; + case 0xB7: + output[i] = 0xFA; + break; + case 0x221A: + output[i] = 0xFB; + break; + case 0x207F: + output[i] = 0xFC; + break; + case 0xB2: + output[i] = 0xFD; + break; + case 0x25A0: + output[i] = 0xFE; + break; + case 0xA0: + output[i] = 0xFF; + break; + default: + if (lossy) + output[i] = '?'; + else + return false; + + break; + } + } else + output[i] = (uint8_t)c; + } + + return true; +}